Skip to main content

Pressurization

An imbalance in air pressure is apparent in this illustration, indicating that _________ is inducing ________. Select two words to fill in these blanks.
A. duct leakage
B. negative pressure
C. infiltration
D. positive pressure
E. increased supply fan rate

AnswerDuct leakage (A) induces infiltration (C), illustrating negative pressurization. Ensuring the supply fan rate is greater than sum of the return and infiltration rates will positively pressurize the building. Eliminating duct leaks will resolve the initial cause.
ARE 4.0 exam prep: BS

Comments

Post a Comment

Try These Too!

Fire detection

Which of the following detector types can detect smoke or a smoldering fire that has not yet burst into flames? A. Ionization B. Rise-of-temperature C. Photoelectric D. Flame detectors
Post a Comment
See the answer »

Reducing deflection in steel beams

To reduce the calculated deflection of a steel beam, choose one of the following strategies: A. select steel with a greater modulus of elasticity B. choose steel with a higher yield strength C. utilize a beam with greater moment of inertia D. utilize a beam with a greater section of modulus Answer C. utilize a beam with a greater moment of intertia ARE 4.0 exam prep: SS
Post a Comment
See the answer »